CVE-2023-32439: Apple Multiple Products WebKit Type Confusion Vulnerability
First published: Wed Jun 21 2023(Updated: )
A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
Credit: product-security@apple.com an anonymous researcher Georgy Kucherin @kucher1n KasperskyLeonid Bezvershenko @bzvr_ KasperskyBoris Larin @oct0xor Kaspersky KasperskyValentin Pashkov Kaspersky
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/webkit2gtk | <2.40.3 | 2.40.3 |
| ubuntu/webkit2gtk | <2.40.4-0ubuntu0.22.04.1 | 2.40.4-0ubuntu0.22.04.1 |
| ubuntu/webkit2gtk | <2.40.4-0ubuntu0.23.04.1 | 2.40.4-0ubuntu0.23.04.1 |
| ubuntu/webkit2gtk | <2.40.3-1 | 2.40.3-1 |
| debian/webkit2gtk | <=2.36.4-1~deb10u1<=2.38.6-0+deb10u1 | 2.42.2-1~deb11u1 2.42.5-1~deb11u1 2.42.2-1~deb12u1 2.42.5-1~deb12u1 2.42.5-1 |
| debian/wpewebkit | <=2.38.6-1~deb11u1<=2.38.6-1 | 2.42.5-1 2.42.5-1.1 |
| Apple Multiple Products | ||
| Apple macOS | <13.4.1 | 13.4.1 |
| Apple Mobile Safari | <16.5.1 | 16.5.1 |
| Apple Mobile Safari | <16.5.1 | |
| Apple iOS, iPadOS, and watchOS | <15.7.7 | |
| Apple iOS, iPadOS, and watchOS | >=16.0<16.5.1 | |
| iOS | <15.7.7 | |
| iOS | >=16.0<16.5.1 | |
| Apple iOS and macOS | >=13.0<13.4.1 | |
| WebKitGTK+ | <2.42.3 | |
| Apple iOS, iPadOS, and watchOS | <16.5.1 | 16.5.1 |
| Apple iOS, iPadOS, and watchOS | <16.5.1 | 16.5.1 |
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Reference Links
- https://support.apple.com/en-us/HT213816 (Advisory)
- https://support.apple.com/en-us/HT213811
- https://support.apple.com/en-us/HT213813 (Advisory)
- https://support.apple.com/en-us/HT213814 (Advisory)
- https://support.apple.com/kb/HT213814
- https://support.apple.com/kb/HT213816
- https://security.gentoo.org/glsa/202401-04
- https://launchpad.net/bugs/cve/CVE-2023-32439
- https://webkitgtk.org/security/WSA-2023-0005.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2218641
- https://commits.webkit.org/263909@main
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2218640#c6
- https://access.redhat.com/errata/RHSA-2023:4202
- https://access.redhat.com/errata/RHSA-2023:4201
- https://access.redhat.com/security/cve/cve-2023-32439
- https://bugzilla.redhat.com/show_bug.cgi?id=2218640
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32439
- https://ubuntu.com/security/notices/USN-6264-1
- https://nvd.nist.gov/vuln/detail/CVE-2023-32439
- https://security-tracker.debian.org/tracker/CVE-2023-32439
- https://ubuntu.com/security/CVE-2023-32439
- https://support.apple.com/en-us/HT213813,
- https://support.apple.com/en-us/HT213811,
- https://support.apple.com/en-us/HT213814,
- https://support.apple.com/en-us/HT213816;
- https://support.apple.com/kb/HT213813
- https://support.apple.com/en-us/102162 (Advisory)
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the severity of CVE-2023-32439?
The severity of CVE-2023-32439 is high with a severity value of 8.8.
What is the vulnerability description of CVE-2023-32439?
CVE-2023-32439 is a type confusion vulnerability in Apple Multiple Products WebKit that can lead to arbitrary code execution when processing maliciously crafted web content.
Which products are affected by CVE-2023-32439?
CVE-2023-32439 affects multiple Apple products including iOS, iPadOS, macOS Ventura, and Safari.
How can I fix CVE-2023-32439?
CVE-2023-32439 is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, and Safari 16.5.1. It is recommended to update to these versions.
Where can I find more information about CVE-2023-32439?
You can find more information about CVE-2023-32439 on the Apple support website at the following URLs: [URL 1](https://support.apple.com/en-us/HT213811), [URL 2](https://support.apple.com/en-us/HT213813), [URL 3](https://support.apple.com/en-us/HT213814).
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